ll4148/LL4448 high-speed sw itching diode features 1. sm all s u r f ac e m ounting ty pe 2. h i gh r e liability 3. high s peed ( t rr 4 ns ) a ppl i cati ons ex tr em e f a s t s w itc hes constr ucti on silic on epit a x i al planar a b solute m aximum ratings t j =25 p a ra m e te r t e s t conditions t y pe sy m bol v a lue uni t repetitive peak r e ver s e volt age v r r m 1 0 0 v rever s e volt age v r 7 5 v peak f o r w ar d s u r ge c u r r ent t p =1 s i f s m 2 a repetitive peak f o r w ar d c u r r ent i frm 5 0 0 m a f o r w ar d c u r r ent i f 3 0 0 m a a v er age f o r w ar d c u r r ent v r = 0 i fa v 1 5 0 m a pow e r dis s i p a tion p v 5 0 0 m w j unc tion tem per atur e t j 1 7 5 s t or age tem per atur e r ange t stg - 6 5 ~ + 1 7 5 m aximum thermal resist ance t j =25 p a ra m e te r t e s t conditions sy m bol v a lue uni t j unc tion am bient on pc boar d 50m m 50m m 1.6m m r th ja 5 0 0 k / w tiger electronic co.,ltd
electrical characteristics t j =25 p a ra m e te r t e s t conditions t y pe sy m bol min ty p max uni t i f =5m a l l 4 4 4 8 v f 0 . 6 2 0 . 7 2 v i f =10m a l l 4 1 4 8 v f 0 . 8 6 1 v f o r w ar d volt age i f =100m a l l 4 4 4 8 v f 0 . 9 3 1 v v r = 2 0 v i r 2 5 n a v r =20v , t j =150 i r 5 0 a rever s e c u r r ent v r = 7 5 v i r 5 a br eak dow n volt age i r =100 a,t p /t =0.01,t p =0.3m s v ( b r ) 1 0 0 v diode c a p a c i t anc e v r =0, f = 1mhz , v hf =50m v c d 4 pf rec t if ic ation eff i c i enc y v hf =2v , f = 100mhz r 4 5 % i f = i r =10m a, i r =1m a t r r 8 ns re v e rse re co v e ry ti m e i f =10m a, v r =6v , i r =0.1 i r , r l =100 t rr 4 ns characteristics (t j =25 unless otherw i se specified) fi gure 1. forw a rd current vs. forw ard vol t age fi gure 2. forw a rd current vs. forw ard vol t age forw a rd c u rre nt : i f (ma ) forw a rd c u rre nt : i f (ma ) f o r war d vo l t ag e: v f (v) f o r war d vo l t ag e: v f (v) tiger electronic co.,ltd l l 4148/l l 4448
ll4148/LL4448 fi gure 3. reverse current vs. reverse vol t age fi gure 4. di ode cap aci t a nce vs. reverse vol t age r ever se l eakag e cu r r e n t: i r (n a ) d i o d e cap aci t a n ce: c d ( pf) r ever se vo l t ag e: v r (v) r ever se vo l t ag e: v r (v) di mensi ons i n mm ca thode ide n tific a t ion 1.5 0.1 0.3 3.5 0.2 glass case m i ni m e l f / sod 80 jed e c d o 213 aa tiger electronic co.,ltd
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